Mystery-clock.



S. A. BOVLEN.

MYSTERY CLOCK.

AvPLlcATloN man ocr. lo.

' 'STEPHN ARTHURBQYLEN, oF nYsTiC,'coNNEoT1CUT. s

MYSTERY-CLOCK..

s'pecin/c'nof Lettersratem. Imfented 511,166,191@

" IBOYLEN', a citizen of' the United States',- andV @resident of :M vsti'c, in tlie'cornty 'ofew .vented ce1-tain new 'und useful niprovelowingis'a'specificntion M'ylnfention'relates to clock@ and paticul-arljv to so cnlleclginyst'ery clocks.

secured, it bushing A11rotatably Supporting.

ln'ble niat'etizil formed" at .its- '4 middle with 'ai 'n mystery clock-l presenting ntt'rfictivennd embodying. the pefnlinr .eatuije-S of lconstruction and inode of: opeiatioii-setforth interestingillusory effects.

The invention consisS of x'nyStei'y-cloclf:

mantel ofthe like, or as.. tion', and jas shown' in -tlie in the `following description @indp'zitici--V laly pointed out A:mtl defined in the clinis; at the Close thereof.

y In the accompanying drawings: Figure lor head of .the 'clock Shown in .Figefl ind Fig. 5 is a section on line otligz. 1

is .especially adnptedf'for use .upon zif desk,-

drawings it 'Colijnprises .f1 base VA1. formed arrzngedn movesocket tothe top side of'base'l, the lower Y end of hollow trnnspai-ent post 6 being .firmly secured- 1within said socket by means `oycement' 7. "The poet 6 is preferably piece oli glass tegrgl .with an `upright ring-Shaped head1() that is' made with an inwaicllyentendi'ngf flange ,11 bearingupon. its outer side ial .markings to v'indicate hour-S', 'half-lionne .eind

qu arten-hours, as shown in 1'.

window attraetubing and) the .upper v'endlV thereof is secni'ed' within n 'metaloclet 9 'post wliee its-"lower portion, is`se. 3l'l'rredv 75.". n-'ithlntlie lippe? end'of tiv'anspireb-sha'ft of xnyineL' mystery clock. Fig. 2 if; aside-"f elevation of t'h'eclo'ck shown 1in 1. 3 isla rear elevation of tlie'uppeu' 'portion .nie-ans of 1x bocl'y'fof cement. 22; T l'ie trims-- parent shaft.

21- t extends downwardly.'

cement 21..

'In ordei thi-it Iaccess lnybeflji-dtoffthe inovement 3 when. tl"ie. instrn nient requires 85. 'toA be wound :or set,' the cliambfehfls made to' extend ont to one/side ofvbzise Lfnd this sertion of the winding. and-'.settinginsltrijv mentsA (not shown) which'willbe'provided. with each clock. -ntotlie rearendof .ring 95 i "1Ofis'v forced; anotheiffring 28 whic'lico'verS "and-hide?? the lgem ring 17' from -the er,' tlicflzinge 11. l.1iclin.g Sgiid`gear,ring'IOIII g. --ih'ef "f10nt. --In order? to'hide thai-pinion 1 8 the back ring is made with IV- integrnl Asherein shown thezdial of -thefclocklis marked-With the hour-s 1 Ato 12 and sin'cezthe. l pini 0n 1 8 isicolinected witliaand drivenby y the inin'utehand sli'aft of movement 3 so 105" that it makes one revolutionevery. hour, the A jratioof the gearing 17 and 1S-ismade' one'. to4 v12 which causes the'hand.' 16 totlfalvrse' :the dial once .in every twelvehonisfA .Iothe eye'of th driving'shaft 21 eannot Abe detected or -distinguished through the transparent post and since the head ofthe. cloekisynot shaped, "or of suieient size,

ment, the illusion" is presented fof a"'ha`iid traversing a diahwithout being connected- This illu-sion' is enhanced- 'l t0, contain the movewith 'an actuator.

by the seeming Vfact that the hand carrying stationary pane 12 and 'spindle 15 A hasno power transmitting means Vconnected with-it, the annularhead 10 being separated from it' by thelsurr'ounding the apparently'stationary transparent pane 16,' through both of which distantrobjects may beobserved. 1.5

- As a matter of fact the.' two pane's'lQ and 16 appear to the eye asfa -singleipane when ment ofl pane 16 being so slow-onerevolution every tWelvelhours-that'fit 'seems sta-l inent'mounted within base,l and trans- -,35

of itself, apparently,

tiona'ry and appears to pane 12.* Therefore,i the-hand 16 appears to vbe supported by. asingle stationary'pane at the middle of which itrismountediupon an isolated spindle so as to traverse the dial and. without apparent connection with anactuatingltneans.

1. 'A mystery clock comprising a base; 1a

Ahollow transparent post fixed atgits lower end to .said base; a hea-d liXed tothe upper end of vsaid post;l a -pane ofjtrasparent.

material rotatably supported "Within saidhead' and provi'dedfwith an index;.a .moye- .parent means extending up through said vhollow post and iiivisible from the-exterior` of the Ia'tter through which'sai'd movement rotates said pane of tianspalient'-ma-terial.

l l 2.v A mystery clockeo'mprisiiig'a base; a

hollow post of transparent 'inateiial' fixed at its lowerendj to said base;- aii annular head fixed-to the upper end o'fs'aid pane of transparentmaterial. rotatab ported within said headf and provided with postga Van index; ainovement mo unted` .\vi thinsaid base; a shaft of transparentmaterial within said hollow post connected atA its loivernd with' said movement, and `means near the upper end offsaid shaft through which the latterrotates the pane. of: transparent mate-1 rial. 7

be 'the rearside o f.

y supv3.1i mystery Iclock ceniprisingla base; al

f movement mounted within base; la hol! low post of transparent material fixed at its lower end to said'base; an' annular head fixed to the upper endl of said po'st; a pane of transparent material fixed in "position within 'said annular'head; 'a spindle ro'- `tataloly'l lsupported -by lsaid fixed pane; hand carriedv by said' spindle; a panev of *transparent material .fixed to lsaid spindle;

a shaft ofv transparent hollow post having its With -said movement,

material within .the

latter rotates the pane 'of transparent material that is .on the spindle.

4.' A'my'stery clock comprising a base: a hollow "post fixed at-its lower .end to 'sazl base; an' annularheadfixed -o tliefu'pper end of Vsaid post; avpane 'fof material rotatably supported within said head land provided with an index.V and with.l

gearteethnear its periphery, `said igear'V teeth being hidden-'by said head; a move? ment ,mounted within said pinion meshing with Athejteetli on .the .rotatable transparent pane, anda. connection between the pinion and movement through said hollowoost.

5. A' mystery. cloc comprising albaseg' a hollow vpost Vfixed near its lower end to `said extending base; anfannular head fixed to the 'upper-v eiid of saidfpost; 'a`fp'ane of' transparent material fixed position within Said annular'head; a spindle' rotatably supported` bysaid fixed paneya `-hand'eairied 'by Said spindle;. a -panegof` transparentmaterial fixed to said spindle andpro'vided near-its periphery with gear teeth, said teeth being hidden bysaid head; a pinion meshing with tli'e teeth on the rotatable pane;"'a` shaft-of transparent lower` end connected. and lii' ieans' near 'the upper. end' of Asaid shaft through which the transparent materialtof fone .end' of 4 which Y said pinion is connected, said shaft vbeing, 

